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Doubles in session


Current system
20015+8447
LOC 445


Nearby doubles
12' : 20079+8454
UC 4092

22' : 19526+8505
LDS1925

22' : 19483+8437
LDS1923

23' : 20086+8507
WSI 109AB

26' : 20040+8513
LOC 444AB

42' : 20032+8529
TDT1938

45' : 20214+8523
LOC 457

70' : 19418+8552
MLR 229

72' : 20077+8336
LOC 443

76' : 20152+8335
UC 4127

82' : 19553+8327
LDS1926

83' : 19589+8325
HDS2845

89' : 19570+8319
WFC 227

97' : 20178+8314
LOC 442

98' : 20016+8625
LOC 448

99' : 19465+8311
LDS1918

106' : 20200+8306
LOC 454

109' : 20025+8635
LOC 446

124' : 19482+8245
UC 4026

144' : 19422+8710
LOC 430

163' : 19444+8207
LOC 429

173' : 20167+8156
LOC 441

181' : 20075+8747
LOC 449

189' : 19593+8138
MLR 231

189' : 20099+8756
LOC 447

200' : 20084+8127
HU 957



Selections
Full WDS
Binocular doubles
Binary Systems
Triple Systems
Quadruple Systems
Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20015+8447 LOC 445

 
 
20h 01m 27.62s +84° 46' 59.1" P.A. 183.00 sep 45.6 mag 16.60,19.00
 
 
Coord 2000 20015+8447 Discov num LOC 445 Comp Coord arcsec 2000 20 01 27.62 +84 46 59.1
Date first 2013 Date last 2016 Obs 5
Pa first 183 Pa last 182.7 P.A. Now (θ) 182.7°
Sep first 45.5 Sep last 45.605 Sep. Now (ρ) 45.605"
Mag pri 16.60 Mag sec 19.00 delta mag (ΔM) 2.4 Spectral class
Pri motion ra +083 Sec motion ra +084
Pri motion dec +050 Sec motion dec +051
Notes V (Proper motion indicates physical)
rPM=0.014 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Draco
 
 
WDS 20015+8447 LOC 445 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Loc2013 C - Locatelli, G. .
Loc2013 Il Bollettino Delle Stelle Doppie 7, 28, 2013
Loc2014 P - Locatelli, G. .
Loc2014 +E2 Il Bollettino Delle Stelle Doppie 8, 36, 2014
Loc2014b C j Locatelli, G. .
Loc2014b Il Bollettino Delle Stelle Doppie 9, 12, 2014
Loc2014c C j Locatelli, G. .
Loc2014c +E2 Il Bollettino Delle Stelle Doppie 11, 20, 2014
Loc2014c +P
Loc2015a C j Locatelli, G. .
Loc2015a +E2 Il Bollettino Delle Stelle Doppie 12, 10, 2015
Loc2015a +P
Loc2015b C j Locatelli, G. .
Loc2015b Il Bollettino Delle Stelle Doppie 13, 11, 2015
Loc2015c - Locatelli, G. .
Loc2015c Il Bollettino Delle Stelle Doppie 14, 16, 2015
Loc2016 C - Locatelli, G. .
Loc2016 +Pp Il Bollettino Delle Stelle Doppie 16, 9, 2016
Loc2016b C j Locatelli, G. .
Loc2016b Il Bollettino Delle Stelle Doppie 17, 16, 2016
Loc2016c C j Sordiglioni, G., Mantero, A., Locatelli, G. & Galli, G. .
Loc2016c Il Bollettino Delle Stelle Doppie 17, 25, 2016
Loc2016d C j Locatelli, G. .
Loc2016d Il Bollettino Delle Stelle Doppie 19, 4, 2016
Loc2017a C j Locatelli, G. .
Loc2017a Il Bollettino Delle Stelle Doppie 20, 19, 2017
Loc2017b C j Locatelli, G. 2017OED....19...34L
Loc2017b El Observador de Estrellas Dobles, Issue #19, 34, 2017
Loc2019 Hg j Locatelli, G. 2019OED....22...27L
Loc2019 El Observador de Estrellas Dobles, Issue #22, 27, 2019
Loc2019b Hg j Locatelli, G. 2019OED....23...39L
Loc2019b El Observador de Estrellas Dobles, Issue #23, 39, 2019
Loc2019b Note: pairs already in WDS or WDSS not added.
Loc2019c Hg j Locatelli, G. 2019OED....23...63L
Loc2019c El Observador de Estrellas Dobles, Issue #23, 63, 2019
Loc2019c Note: pairs already in WDS or WDSS not added.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20015+8447 LOC 445 2015 2 183 45.6 16.60 19.00 V 200127.62+844659.1
20015+8447 LOC 445 2016 5 183 45.6 16.60 19.00 V 200127.62+844659.1

If you need more information about this double, apply for a data request form to the WDS.

 
 
WDS 20015+8447 LOC 445 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20015+8447 LOC 445 : MEASURES
 
 
No records found.

 
 
WDS 20015+8447 : VIRTUAL EYEPIECE
 
 

20015+8447 LOC 445A mag 16.6 20015+8447 LOC 445B sep 45.5 P.A. 180.20 mag 19 virtual eyepiece
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 20015+8447 : ALADIN DSS IMAGE @ 20h 01m 27.62s +84° 46' 59.1"
 
 
 
 
WDS 20015+8447 LOC 445 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20015+8447 LOC 445 distance=0' 20079+8454 UC 4092 distance=12' 19526+8505 LDS1925 distance=22' 19483+8437 LDS1923 distance=22' 20086+8507 WSI 109AB distance=23' 20086+8507 RAO 21AC distance=23' 20040+8513 LOC 444AB distance=26' 20032+8529 TDT1938 distance=42' 20214+8523 LOC 457 distance=45' 19418+8552 MLR 229 distance=70' 20077+8336 LOC 443 distance=72' 20152+8335 UC 4127 distance=76' 19553+8327 LDS1926 distance=82' 19589+8325 HDS2845 distance=83' 19570+8319 WFC 227 distance=89' 20178+8314 LOC 442 distance=97' 20016+8625 LOC 448 distance=98' 19465+8311 LDS1918 distance=99' 20200+8306 LOC 454 distance=106' 20025+8635 LOC 446 distance=109' 19482+8245 UC 4026 distance=124' 19422+8710 LOC 430 distance=144' 19444+8207 LOC 429 distance=163' 20167+8156 LOC 441 distance=173' 20075+8747 LOC 449 distance=181' 19593+8138 MLR 231 distance=189' 20099+8756 LOC 447 distance=189' 20084+8127 HU 957 distance=200' 20108+8127 LOC 440 distance=201' 19429+8126 MLR 226 distance=204' 20094+8114 LOC 439 distance=213' 20165+8109 STT 526 distance=220' 19571+8031 LDS1924 distance=256' 20144+8032 STF2694 distance=257' 19562+8028 KPP4178 distance=260' 19547+8010 LOC 426 distance=278' 19589+8000 LOC 424 distance=287' 19440+7952 WIS 335 distance=297' grafico limitrofi
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Show name coord_2000 discov# comp pa sep dist(')
Show 20015+8447 LOC 445 183 45.6
Show 20079+8454 UC 4092 163 45.7 12
Show 19526+8505 LDS1925 260 9.9 22
Show 19483+8437 LDS1923 321 2.3 22
Show 20086+8507 WSI 109 AB 175 0.1 23
Show 20086+8507 RAO 21 AC 71 1.2 23
Show 20040+8513 LOC 444 AB 296 20.0 26
Show 20032+8529 TDT1938 356 0.5 42
Show 20214+8523 LOC 457 271 1.9 45
Show 19418+8552 MLR 229 5 0.1 70
Show 20077+8336 LOC 443 8 1.4 72
Show 20152+8335 UC 4127 43 42.7 76
Show 19553+8327 LDS1926 140 7.7 82
Show 19589+8325 HDS2845 187 0.7 83
Show 19570+8319 WFC 227 50 5.9 89
Show 20178+8314 LOC 442 74 1.5 97
Show 20016+8625 LOC 448 341 2.0 98
Show 19465+8311 LDS1918 227 12.0 99
Show 20200+8306 LOC 454 145 7.8 106
Show 20025+8635 LOC 446 333 2.3 109
Show 19482+8245 UC 4026 291 134.2 124
Show 19422+8710 LOC 430 76 6.0 144
Show 19444+8207 LOC 429 129 56.2 163
Show 20167+8156 LOC 441 139 1.0 173
Show 20075+8747 LOC 449 307 1.4 181
Show 19593+8138 MLR 231 242 0.3 189
Show 20099+8756 LOC 447 307 7.2 189
Show 20084+8127 HU 957 144 4.9 200
Show 20108+8127 LOC 440 158 1.4 201
Show 19429+8126 MLR 226 17 1.9 204
Show 20094+8114 LOC 439 78 3.9 213
Show 20165+8109 STT 526 167 1.3 220
Show 19571+8031 LDS1924 270 7.5 256
Show 20144+8032 STF2694 345 4.3 257
Show 19562+8028 KPP4178 181 55.7 260
Show 19547+8010 LOC 426 50 1.7 278
Show 19589+8000 LOC 424 204 4.8 287
Show 19440+7952 WIS 335 197 998.0 297

 
 
WDS 20015+8447 : COMPONENTS
 
 
  A
B pa=180.2°
sep=45.55"
 
 
20015+8447 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 200127.62+844659.1 Mag 16.6 PmRA 83.00
PmDE 50.0
 
 
20015+8447 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 200127.48+844613.5 Mag 19 PmRA 84.00
PmDE 51.0 Calc delta mag 2.4 Calc coord yes